Fix regression from https://gitlab.com/OpenMW/openmw/-/merge_requests/1776

components/files/openfile.cpp

@@ -3,11 +3,20 @@
 #include <cstring>
 #include <fstream>
 
+#if defined(_WIN32) || defined(__WINDOWS__)
+#include <boost/locale.hpp>
+#endif
+
 namespace Files
 {
     std::unique_ptr<std::ifstream> openBinaryInputFileStream(const std::string& path)
     {
+#if defined(_WIN32) || defined(__WINDOWS__)
+        std::wstring wpath = boost::locale::conv::utf_to_utf<wchar_t>(path);
+        auto stream = std::make_unique<std::ifstream>(wpath, std::ios::binary);
+#else
         auto stream = std::make_unique<std::ifstream>(path, std::ios::binary);
+#endif
         if (!stream->is_open())
             throw std::runtime_error("Failed to open '" + path + "' for reading: " + std::strerror(errno));
         stream->exceptions(std::ios::badbit);